/**
* Write last completed task instance end time to carbon registry
*
* @param historicTaskInstanceList List of historic task instances
*/
private void writeTaskEndTimeToRegistry(List<HistoricTaskInstance> historicTaskInstanceList) {
if (log.isDebugEnabled()) {
log.debug("Start writing last completed task instance end time...");
}
Date lastTaskInstanceDate =
historicTaskInstanceList.get(historicTaskInstanceList.size() - 1).getEndTime();
try {
PrivilegedCarbonContext privilegedContext =
PrivilegedCarbonContext.getThreadLocalCarbonContext();
Registry registry = privilegedContext.getRegistry(RegistryType.SYSTEM_GOVERNANCE);
Resource resource;
if (!registry.resourceExists(AnalyticsPublisherConstants.TASK_RESOURCE_PATH)) {
resource = registry.newResource();
resource.addProperty(
AnalyticsPublisherConstants.LAST_TASK_INSTANCE_END_TIME,
String.valueOf(lastTaskInstanceDate));
registry.put(AnalyticsPublisherConstants.TASK_RESOURCE_PATH, resource);
} else {
resource = registry.get(AnalyticsPublisherConstants.TASK_RESOURCE_PATH);
resource.setProperty(
AnalyticsPublisherConstants.LAST_TASK_INSTANCE_END_TIME,
String.valueOf(lastTaskInstanceDate));
registry.put(AnalyticsPublisherConstants.TASK_RESOURCE_PATH, resource);
}
if (log.isDebugEnabled()) {
log.debug("End of writing last completed task instance end time...");
}
} catch (RegistryException e) {
String errMsg = "Registry error while writing the task instance end time.";
log.error(errMsg, e);
}
}
private void setupEmailTemplates() throws EmailSenderConfigurationFailedException {
File templateDir =
new File(
CarbonUtils.getCarbonHome()
+ File.separator
+ "repository"
+ File.separator
+ "resources"
+ File.separator
+ "email-templates");
if (!templateDir.exists()) {
if (log.isDebugEnabled()) {
log.debug(
"The directory that is expected to use as the container for all email templates is not "
+ "available. Therefore, no template is uploaded to the registry");
}
}
if (templateDir.canRead()) {
File[] templates =
templateDir.listFiles(
new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
name = name.toLowerCase();
return name.endsWith(".vm");
}
});
try {
Registry registry =
EmailSenderDataHolder.getInstance().getRegistryService().getConfigSystemRegistry();
if (!registry.resourceExists(EMAIL_TEMPLATE_DIR_RELATIVE_REGISTRY_PATH)) {
Collection collection = registry.newCollection();
registry.put(EMAIL_TEMPLATE_DIR_RELATIVE_REGISTRY_PATH, collection);
for (File template : templates) {
Resource resource = registry.newResource();
String contents = FileUtils.readFileToString(template);
resource.setContent(contents.getBytes());
registry.put(
EMAIL_TEMPLATE_DIR_RELATIVE_REGISTRY_PATH + "/" + template.getName(), resource);
}
} else {
/* Existence of a given resource is not checked consciously, before performing registry.put() below.
* The rationale is that, the only less expensive way that one can check if a resource exists is
* that through registry.resourceExists(), which only checks if 'some' resource exists at the given
* registry path. However, this does not capture scenarios where there can be updated contents to
* the same resource of which the path hasn't changed after it has been initialized for the first
* time. Therefore, whenever the server starts-up, all email templates are updated just to avoid
* the aforementioned problem */
for (File template : templates) {
Resource resource = registry.newResource();
String contents = FileUtils.readFileToString(template);
resource.setContent(contents.getBytes());
registry.put(
EMAIL_TEMPLATE_DIR_RELATIVE_REGISTRY_PATH + "/" + template.getName(), resource);
}
}
} catch (RegistryException e) {
throw new EmailSenderConfigurationFailedException(
"Error occurred while setting up email templates", e);
} catch (FileNotFoundException e) {
throw new EmailSenderConfigurationFailedException(
"Error occurred while writing template file "
+ "contents as an input stream of a resource",
e);
} catch (IOException e) {
throw new EmailSenderConfigurationFailedException(
"Error occurred while serializing file " + "contents to a string", e);
}
}
}
